polyhedron(points=[
[0,0,0],
[0,40,0],
[0,30,0], // 1
[0,20,0], // 2
[-10,0,0],
[-10,40,0],
[10,0,0],
[10,40,0],
[10,0,-20],
[10,20,0]
], faces = [
[9,8,6],
[7,8,9],
[7,8,9],
[1,8,7],
[5,8,1],
[4,8,5],
[0,8,4],
[0,6,8],
[2,1,7],
[3,2,7],
[3,7,9],
[3,9,6],
[0,3,6],
[0,5,1],
[0,4,5],
[0,2,3],
[0,1,2],

]);
